Interannual distribution of Pacific hake Merluccius productus larvae in the southern part of the California Current

R. Funes-Rodríguez, J. F. Elorduy-Garay, A. Hinojosa-Medina, A. Zárate-Villafranco

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The interannual distribution of early life stages of Pacific hake Merluccius productus, within the southern part of the California Current (32-23° N) from 1951 to 2001, was examined to describe the relationship between spawning habitat and environmental conditions. Mean annual abundance was affected by different factors along the west coast of the Baja California Peninsula. In the northern areas (Ensenada and Punta Baja), reduced abundance of larvae coincided with the El Niño and a North Pacific Ocean climatic regime shift, but in the southern areas (San Ignacio to Bahía Magdalena), the drastic reductions suggested a fishery effect for large adults of the coastal migratory population, starting in 1966. Two spawning stocks, coastal and dwarf, were evident in comparisons of latitudinal differences in occurrence of early stages and differences in temperature preferences that seemed to break at Punta Eugenia. © 2009 The Fisheries Society of the British Isles.
Original languageAmerican English
Pages (from-to)630-646
Number of pages565
JournalJournal of Fish Biology
StatePublished - 1 Aug 2009
Externally publishedYes


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